Speaker
Dr
Surajit Chattopadhyay
(Pailan College of Management and Technology, Kolkata)
Description
Motivated by the work of Yang et al., *Mod. Phys. Lett. A*, **26**, 191 (2011), the present paper reports a study on reconstruction of scalar field dark energy models, namely, quintessence, DBI-essence and tachyon in the framework of chameleon Brans-Dicke cosmology. Firstly, we have reconstructed the Hubble parameter and consequently the density of the new holographic dark energy $\rho_D=\frac{3\phi^2}{4\omega}(\mu H^2+\nu \dot{H})$ in chameleon Brans-Dicke cosmology. We have tested the weak and strong energy conditions for this reconstruction. Afterwards, considering a correspondence between the reconstructed new holographic dark energy and the said scalar field models we have reconstructed the corresponding potentials and scalar fields.
additional information
Project Grant of DST, Govt. of India no. SR/FTP/PS-167/2011 is duly acknowledged by SC.
Primary author
Dr
Surajit Chattopadhyay
(Pailan College of Management and Technology, Kolkata)
Co-author
Mr
Antonio Pasqua
(Department of Physics, University of Trieste, Via Valerio, 2 34127 Trieste, Italy)
